English
Related papers

Related papers: Conceptual Design of LiFi Audio Transmission Using…

200 papers

Due to their Radio-Frequency (RF) immunity, Visible Light Communications (VLC) pose as a promising technology for interference sensitive applications such as medical data networks. In this paper, we investigate mixed RF-VLC relaying systems…

Networking and Internet Architecture · Computer Science 2022-09-23 Milica I. Petkovic , Aleksandra M. Cvetkovic , Milan Narandzic , Nestor D. Chatzidiamantis , Dejan Vukobratovic , George K. Karagiannidis

A previously unknown form of compromising emanations has been discovered. LED status indicators on data communication equipment, under certain conditions, are shown to carry a modulated optical signal that is significantly correlated with…

Cryptography and Security · Computer Science 2023-07-17 Joe Loughry , David A. Umphress

In this paper we present a method which allows attackers to covertly leak data from isolated, air-gapped computers. Our method utilizes the hard disk drive (HDD) activity LED which exists in most of today's desktop PCs, laptops and servers.…

Cryptography and Security · Computer Science 2017-02-23 Mordechai Guri , Boris Zadov , Eran Atias , Yuval Elovici

Heterogeneous wireless networks are capable of effectively leveraging different access technologies to provide a wide variety of coverage areas. In this paper, the coexistence of WiFi and visible light communication (VLC) is investigated as…

Networking and Internet Architecture · Computer Science 2015-10-06 Sihua Shao , Abdallah Khreishah , Moussa Ayyash

Visible light communication (VLC), which uses LEDs for both illumination and communication purposes, has recently emerged as either an alternative or a support system for radio frequency (RF) communication. VLC channel inside a room is…

Information Theory · Computer Science 2019-02-14 Cenk Albayrak , Kadir Turk , Emin Tugcu , Cemaleddin Simsek , Ayhan Yazgan

Visible light communication (VLC) is a promising Optical Wireless Communications (OWC) scheme that is demonstrated to provide secure, line-of-sight (LoS), and short-distance vehicle-to-vehicle (V2V) and vehicle-to-infrastructure(V2I)…

Networking and Internet Architecture · Computer Science 2022-02-08 Bugra Turan , Ali Uyrus , Osman Nuri Koc , Emrah Kar , Sinem Coleri

Smart lighting is an underlying concept that links three main aspects: solid-state lighting (SSL) technologies, advanced control and universal communication interfaces following global standards. However, this conceptualization is…

Computers and Society · Computer Science 2018-09-05 Jorge Higuera , Aleix Llenas , Josep Carreras

It is possible to attack a computer remotely through the front panel LEDs. Following on previous results that showed information leakage at optical wavelengths, now it seems practicable to inject information into a system as well. It is…

Cryptography and Security · Computer Science 2019-07-02 Joe Loughry

The idea of exploiting the Wi-Fi bursts as the medium for sensing purposes, particularly for the human targets in the indoor environment, was cultivated in both radar and computer science communities and it has became a noticeable research…

Signal Processing · Electrical Eng. & Systems 2022-01-11 Bo Tan , Bo Sun

Previous unsupervised domain adaptation methods did not handle the cross-domain problem from the perspective of frequency for computer vision. The images or feature maps of different domains can be decomposed into the low-frequency…

Computer Vision and Pattern Recognition · Computer Science 2022-09-01 Zhaowen Li , Xu Zhao , Chaoyang Zhao , Ming Tang , Jinqiao Wang

Visible light communication (VLC) is an optical wireless communication technology that is considered a promising solution for high-speed indoor connectivity. Unlike the case in conventional radio-frequency wireless systems, the VLC channel…

Signal Processing · Electrical Eng. & Systems 2021-01-18 Mohamed Amine Arfaoui , Ali Ghrayeb , Chadi Assi

New high-data-rate multimedia services and applications are evolving continuously and exponentially increasing the demand for wireless capacity of fifth-generation (5G) and beyond. The existing radio frequency (RF) communication spectrum is…

Networking and Internet Architecture · Computer Science 2018-10-08 Mostafa Zaman Chowdhury , Md. Tanvir Hossan , Amirul Islam , Yeong Min Jang

This paper investigates an indoor hybrid visible light communication (VLC) and radio frequency (RF) scenario with two-hop downlink transmission. A light emitting diode (LED) transmits both data and energy via VLC to an energy-harvesting…

Signal Processing · Electrical Eng. & Systems 2024-10-10 Amir Hossein Fahim Raouf , Chethan Kumar Anjinappa , Ismail Guvenc

This paper proposes a joint design of probabilistic constellation shaping (PCS) and precoding to enhance the sum-rate performance of multi-user visible light communications (VLC) broadcast channels subject to signal amplitude constraint. In…

Systems and Control · Electrical Eng. & Systems 2025-02-14 Thang K. Nguyen , Thanh V. Pham , Hoang D. Le , Chuyen T. Nguyen , Anh T. Pham

This paper presents a comprehensive study on low-complexity waveform, modulation and coding (WMC) designs for the 3rd Generation Partnership Project (3GPP) Ambient Internet of Things (A-IoT). A-IoT is a low-cost, low-power IoT system…

Signal Processing · Electrical Eng. & Systems 2025-01-16 Mingxi Yin , Chao Wei , Kazuki Takeda , Yinhua Jia , Changlong Xu , Chengjin Zhang , Hao Xu

In next-generation wireless systems, providing location-based mobile computing services for energy-neutral devices has become a crucial objective for the provision of sustainable Internet of Things (IoT). Visible light positioning (VLP) has…

Signal Processing · Electrical Eng. & Systems 2025-11-03 Boxuan Xie , Lauri Mela , Alexis A. Dowhuszko , Yu Bai , Zehui Xiong , Zhu Han , Dusit Niyato , Riku Jäntti

The rapid growth of the Internet of Things (IoT) devices in the sixth-generation (6G) wireless networks raises significant generality and scalability challenges due to energy consumption, deployment complexity, and environmental impact.…

Systems and Control · Electrical Eng. & Systems 2026-03-06 Boxuan Xie , Yifan Zhang , Kalle Koskinen , Alexis A. Dowhuszko , Jiacheng Wang , Ruichen Zhang , Zehui Xiong , Dusit Niyato , Zhu Han , Riku Jäntti

Semantic communication is an increasingly popular framework for wireless image transmission due to its high communication efficiency. With the aid of the joint-source-and-channel (JSC) encoder implemented by neural network, semantic…

Information Theory · Computer Science 2022-12-02 Maojun Zhang , Yang Li , Zezhong Zhang , Guangxu Zhu , Caijun Zhong

This paper studies the performance of physical layer security (PLS) in a multi-user hybrid heterogeneous visible light communication (VLC) and radio frequency (RF) wireless communication system with simultaneous lightwave information and…

Systems and Control · Electrical Eng. & Systems 2025-05-20 Tuan A. Hoang , Thanh V. Pham , Chuyen T. Nguyen

A recent technology known as transparent screens is transforming windows into displays. These smart windows are present in buses, airports and offices. They can remain transparent, as a normal window, or display relevant information that…

Image and Video Processing · Electrical Eng. & Systems 2024-03-26 Seyed Keyarash Ghiasi , Marco Kaldenbach , Marco Zuniga
‹ Prev 1 8 9 10 Next ›